From: Naveen Singh <[email protected]> implementing the cfg ops that gets called when iw dev wlan0 link is issued by user. The ops that needs to be implemented is get_station.
kvalo: check the mac address and fix style issues Signed-off-by: Naveen Singh <[email protected]> Signed-off-by: Kalle Valo <[email protected]> --- drivers/staging/ath6kl/os/linux/cfg80211.c | 130 ++++++++++++++++++++++++++++ 1 files changed, 130 insertions(+), 0 deletions(-) diff --git a/drivers/staging/ath6kl/os/linux/cfg80211.c b/drivers/staging/ath6kl/os/linux/cfg80211.c index efd4ae5..cb3187e 100644 --- a/drivers/staging/ath6kl/os/linux/cfg80211.c +++ b/drivers/staging/ath6kl/os/linux/cfg80211.c @@ -1460,6 +1460,135 @@ u32 cipher_suites[] = { WLAN_CIPHER_SUITE_CCMP, }; +bool is_rate_legacy(s32 rate) +{ + static const s32 legacy[] = { 1000, 2000, 5500, 11000, + 6000, 9000, 12000, 18000, 24000, + 36000, 48000, 54000 }; + u8 i; + + for (i = 0; i < 12; i++) { + if (rate == legacy[i]) + return true; + } + + return false; +} + +bool is_rate_ht20(s32 rate, u8 *mcs) +{ + static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, + 52000, 58500, 65000, 72200 }; + u8 i; + + for (i = 0; i < 9; i++) { + if (rate == ht20[i]) { + *mcs = i; + return true; + } + } + return false; +} + +bool is_rate_ht40(s32 rate, u8 *mcs) +{ + static const s32 ht40[] = { 13500, 27000, 40500, 54000, + 81000, 108000, 121500, 135000 }; + u8 i; + + for (i = 0; i < 9; i++) { + if (rate == ht40[i]) { + *mcs = i; + return true; + } + } + + return false; +} + +int ar6k_get_station(struct wiphy *wiphy, struct net_device *dev, + u8 *mac, struct station_info *sinfo) +{ + struct ar6_softc *ar = ar6k_priv(dev); + u8 mcs, ret, timeout = false; + + if (compare_ether_addr(mac, ar->arBssid)) + return -ENOENT; + + if (down_interruptible(&ar->arSem)) + return -EBUSY; + + ar->statsUpdatePending = true; + + ret = wmi_get_stats_cmd(ar->arWmi); + + if (ret != 0) { + up(&ar->arSem); + return -EIO; + } + + wait_event_interruptible_timeout(arEvent, + ar->statsUpdatePending == false, + wmitimeout * HZ); + + if (signal_pending(current)) { + timeout = true; + AR_DEBUG_PRINTF(ATH_DEBUG_ERR, + ("ar6000 : WMI get stats timeout\n")); + } + + up(&ar->arSem); + + if (timeout) + return -ETIMEDOUT; + + if (ar->arTargetStats.rx_bytes) { + sinfo->rx_bytes = ar->arTargetStats.rx_bytes; + sinfo->filled |= STATION_INFO_RX_BYTES; + sinfo->rx_packets = ar->arTargetStats.rx_packets; + sinfo->filled |= STATION_INFO_RX_PACKETS; + } + + if (ar->arTargetStats.tx_bytes) { + sinfo->tx_bytes = ar->arTargetStats.tx_bytes; + sinfo->filled |= STATION_INFO_TX_BYTES; + sinfo->tx_packets = ar->arTargetStats.tx_packets; + sinfo->filled |= STATION_INFO_TX_PACKETS; + } + + sinfo->signal = ar->arTargetStats.cs_rssi; + sinfo->filled |= STATION_INFO_SIGNAL; + + if (is_rate_legacy(ar->arTargetStats.tx_unicast_rate)) { + sinfo->txrate.legacy = ar->arTargetStats.tx_unicast_rate / 100; + } else if (is_rate_ht20(ar->arTargetStats.tx_unicast_rate, &mcs)) { + if (mcs == 0x08) { + sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; + sinfo->txrate.mcs = mcs - 1; + } else { + sinfo->txrate.mcs = mcs; + } + + sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; + } else if (is_rate_ht40(ar->arTargetStats.tx_unicast_rate, &mcs)) { + if (mcs == 0x08) { + sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; + sinfo->txrate.mcs = mcs - 1; + } else { + sinfo->txrate.mcs = mcs; + } + + sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; + sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; + } else { + WARN(1, "invalid rate: %d", ar->arTargetStats.tx_unicast_rate); + } + + sinfo->filled |= STATION_INFO_TX_BITRATE; + + return 0; +} + static struct cfg80211_ops ar6k_cfg80211_ops = { .change_virtual_intf = ar6k_cfg80211_change_iface, @@ -1480,6 +1609,7 @@ cfg80211_ops ar6k_cfg80211_ops = { .set_power_mgmt = ar6k_cfg80211_set_power_mgmt, .join_ibss = ar6k_cfg80211_join_ibss, .leave_ibss = ar6k_cfg80211_leave_ibss, + .get_station = ar6k_get_station, }; struct wireless_dev * _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
